#include "header.h"

int main(void)
{
	Vector x;
	Vector df;
	Matrix ddf;
	int flag;
	float ans=0.0;
	clock_t t0, t1;
	double runtime;
	Int3 F={0,0,0};

      x=ReadVector();  // this function will read a vector from a file to x
	printf("the vector is:\n");
	PrintVector(x);
	df=CreateVector(x.n);		// df is a n by 1 vector
	ddf=CreateMatrix(x.n,x.n);	// ddf is a n by n matrix

	t0=clock();

	flag=fB(x,&ans,&df,&ddf,F);
	t1=clock();
	runtime=(double)(t1-t0)/CLOCKS_PER_SEC;

	printf("the running time of this function is %f\n",runtime);
	DestroyVector(&x);
	DestroyVector(&df);
	DestroyMatrix(&ddf);

	return 0;
}